EP3589056B1 - Procédé et appareil permettant de contrôler l'interférence produite par un dispositif utilisable - Google Patents

Procédé et appareil permettant de contrôler l'interférence produite par un dispositif utilisable Download PDF

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Publication number
EP3589056B1
EP3589056B1 EP17919359.4A EP17919359A EP3589056B1 EP 3589056 B1 EP3589056 B1 EP 3589056B1 EP 17919359 A EP17919359 A EP 17919359A EP 3589056 B1 EP3589056 B1 EP 3589056B1
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Prior art keywords
interference
target
controllable device
base station
notification message
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EP17919359.4A
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German (de)
English (en)
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EP3589056A1 (fr
EP3589056A4 (fr
Inventor
Wei Hong
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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    • H—ELECTRICITY
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    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
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    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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    • H04W—WIRELESS COMMUNICATION NETWORKS
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    • H04W88/12—Access point controller devices
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    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present disclosure generally relates to the technical field of communications, and more particularly, to a method and apparatus for controlling interference from a controllable device.
  • controllable devices are applied more and more widely.
  • a controllable device communicates with a cellular network
  • a signal of the controllable device is broadcast in a space.
  • other base stations in the vicinity of the controllable device may also receive the signal from the controllable device. Therefore, interference may be brought to the other base stations except the serving base station.
  • WO 2013033907A1 discusses methods and apparatus for inter-cell interference coordination.
  • embodiments of the present disclosure provide a method and apparatus for controlling interference from a controllable device.
  • a method for controlling interference from a controllable device is provided, as described in claim 1 or 2.
  • a apparatus for controlling interference from a controllable device is provided, as described in claim 3 or 4.
  • the base station suffering the interference from the controllable device may determine the target RB suffering the interference from the controllable device from all the RBs for data transmission. Furthermore, the target notification message is generated, the target notification message containing the interference identification information configured to indicate that the interference is from the controllable device and the RB information of the target RB.
  • the base station suffering the interference from the controllable device transmits the target notification message to the target base station for providing the service for the controllable device for the target base station to reduce the interference from the controllable device over the target RB according to the target notification message. Through such a process, interference from a controllable device over a base station of a cellular network may be reduced.
  • the base station suffering the interference from the controllable device may analyze all the presently received interference signals and, if the target interference signal is included, determines that the base station is suffering the interference from the controllable device. After it is determined that the base station is suffering the interference from the controllable device, the signal-to-noise ratios corresponding to all the RBs for data transmission may be detected, and the at least one RB is selected according to the sequence from high to low signal-to-noise ratios as the target RB suffering the interference from the controllable device. Through such a process, existence of the interference from the controllable device at present and the RB information of the target RB suffering the interference may be determined.
  • the base station suffering the interference from the controllable device may directly transmit the generated target notification message to the target base station through the interface between the base stations. Or the base station suffering the interference from the controllable device may transmit the target notification message to the core network for the core network to forward to the target base station. Therefore, the target base station may subsequently reduce the interference from the controllable device over the target RB to reduce the interference from the controllable device over the base station of the cellular network.
  • first, second, third and the like may be adopted to describe various information in the present disclosure, the information should not be limited to these terms. These terms are only adopted to distinguish the information of the same type.
  • first information may also be called second information and, similarly, second information may also be called first information.
  • second information may also be called first information.
  • term “if” used here may be explained as “while” or “when” or “responsive to determining”, which depends on the context.
  • a controllable device may be an unmanned aerial vehicle, a controllable robot and the like.
  • a base station presently providing service for a controllable device 100 is a base station 200.
  • a base station 300 may also receive the signal transmitted by the controllable device 100, and interference may be brought to the base station 300.
  • the base station 200, the base station 300 and a base station 400 may be connected through interfaces, for example, X2 or Xn interfaces, between the base stations. If there are no direct connecting interfaces between the base stations, the base station 200, the base station 300 and the base station 400 may be connected with a core network through interfaces, for example, S1 or NG interfaces, between the base stations and the core network respectively.
  • Fig. 2 is a flow chart showing a method for controlling interference from a controllable device, according to an exemplary embodiment. The method may be applied to a base station 300 suffering interference from a controllable device in the scenario shown in Fig. 1 , and includes the following steps.
  • Step 101 a target RB suffering interference from the controllable device is determined from all RBs for data transmission.
  • Step 102 a target notification message is generated, the target notification message containing an interference indication identifier and RB information of the target RB and the interference indication identifier being configured to indicate that the interference is from the controllable device.
  • the target notification message is transmitted to a target base station for the target base station to reduce the interference from the controllable device over the target RB according to the target notification message, the target base station being a base station for providing service for the controllable device.
  • the base station suffering the interference from the controllable device may determine the target RB suffering the interference from the controllable device from all the RBs for data transmission. Furthermore, the target notification message is generated, the target notification message containing the interference identification information configured to indicate that the interference is from the controllable device and the RB information of the target RB.
  • the base station suffering the interference from the controllable device transmits the target notification message to the target base station for providing the service for the controllable device for the target base station to reduce the interference from the controllable device over the target RB according to the target notification message. Through such a process, interference from a controllable device over a base station of a cellular network may be reduced.
  • Step 101 referring to Fig. 3, Fig. 3 is a flow chart showing another method for controlling interference from a controllable device, according to the embodiment shown in Fig. 2 .
  • Step 101 includes the following steps.
  • Step 101-1 all presently received interference signals are analyzed, and if all the presently received interference signals include a target interference signal, it is determined that the base station is suffering the interference from the controllable device, the target interference signal being an interference signal generated by the interference from the controllable device.
  • the base station may analyze all the presently received interference signals according to the related art to acquire signal parameter values corresponding to all the interference signals, the signal parameter value including a transmission mode, a code rate, transmit power and the like.
  • the base station may analyze the signal parameter values to determine whether all the interference signals include the target interference signal or not, the target interference signal being an interference signal generated by the interference from the controllable device.
  • the target interference signal is a signal 1 and all the interference signals presently received by the base station include the signal 1, it may be determined that the base station is suffering the interference from the controllable device.
  • the base station may also directly determine that the base station is suffering the interference from the controllable device.
  • Step 101-2 after it is determined that the base station is suffering the interference from the controllable device, signal-to-noise ratios corresponding to all the RBs for data transmission are detected, and at least one RB is selected according to a sequence from high to low signal-to-noise ratios as the target RB suffering the interference from the controllable device.
  • the base station may detect the signal-to-noise ratios corresponding to all the RBs for data transmission according to the related art. If the interference exists, the signal-to-noise ratio corresponding to the RB may be relatively high. Therefore, the at least one RB may be selected according to the sequence from high to low signal-to-noise ratios as the target RB suffering the interference from the controllable device.
  • the base station suffering the interference from the controllable device may generate a target notification message.
  • the target notification message may contain an interference indication identifier, the interference indication identifier being configured to indicate that the interference is from the controllable device, and indicate the RB information of the target RB.
  • the target notification message may be configured to notify that there is a base station suffering the interference from the controllable device at present and the base station suffers the interference at the target RB.
  • the base station suffering the interference from the controllable device may directly transmit the target notification message to a base station nearby through an interface between the base stations.
  • the interface between the base stations is an X2 interface.
  • 5th-Generation (5G) network the interface between the base stations is an Xn interface.
  • the base station suffering the interference from the controllable device may transmit the target notification message to a core network, and then the core network may forward the target notification message to the base station nearby.
  • the base station may transmit the target notification message to the core network through an interface between the base station and the core network.
  • the interface between the base station and the core network is an S1 interface.
  • the interface between the base station and the core network is an NG interface.
  • the base station having received the target notification message may detect whether there is an unmanned aerial vehicle that is served by it and is using the target RB. If there is an unmanned aerial vehicle that is served by it and is using the target RB, the base station may reduce the interference from the controllable device over the target RB according to the target notification message. If there is no unmanned aerial vehicle that is served by it and is using the target RB, the target notification message may be ignored.
  • FIG. 4 is a flow chart showing a method for controlling interference from a controllable device, according to an exemplary embodiment. The method may be applied to a base station 200 for providing service for a controllable device in the scenario shown in Fig. 1 , and includes the following steps.
  • Step 201 it is determined that a target notification message is received, the target notification message containing an interference indication identifier and RB information of a target RB, and the interference indication identifier being configured to indicate that the interference is from the controllable device.
  • Step 202 the interference from the controllable device over the target RB is reduced according to the target notification message.
  • the base station for providing the service for the controllable device may reduce the interference from the controllable device over the target RB according to the target notification message.
  • the purpose of reducing interference from a controllable device over a base station of a cellular network is achieved.
  • a base station interfered by the controllable device may generate the target notification message after determining the interfered target RB, and may further directly transmit the generated target notification message through an interface between base stations to the base station which is for providing service for the controllable device.
  • the base station interfered by the controllable device after generating the target notification message, may transmit the target notification message to a core network through an interface between a base station and the core network, and then the core network forwards the target notification message to the base station which is for providing service for the controllable device.
  • the target notification message contains the interference indication identifier and the RB information of the target RB, the interference indication identifier being for indicating that the interference is from the controllable device.
  • the base station for providing the service for the controllable device may directly receive the target notification message through an interface between the base stations or receive the target notification message forwarded by the core network through an interface between the base station and the core network, thereby determining that the target notification message is received.
  • the base station is required to reduce the interference from the controllable device over the target RB.
  • any one of the following manners may be adopted.
  • the base station for providing the service for the controllable device may reduce the power at the target RB.
  • a base station 300 shown in Fig. 5 suffers interference from an unmanned aerial vehicle at target RB4 and RB5, and then a base station 200 for providing service for the unmanned aerial vehicle may reduce power thereof at RB4 and RB5.
  • the interference from the controllable device over the base station 300 suffering the interference from the controllable device may be reduced.
  • other resources may be allocated for the controllable device that is using a resource corresponding to the target RB, the other resources being resources corresponding to other RBs except the target RB.
  • the base station for providing the service for the controllable device may schedule the resource for the controllable device to other RBs.
  • the base station 300 shown in Fig. 5 suffers the interference from the unmanned aerial vehicle at target RB4 and RB5, and then the base station 200 for providing the service for the unmanned aerial vehicle may not provide the service for the unmanned aerial vehicle through RB4 and RB5 anymore and, instead, may provide the service for the unmanned aerial vehicle through resources corresponding to other RBs, for example, RB1 and RB2.
  • occupation of the target RB by the controllable device may be avoided, that is, the interference from the controllable device over the base station 300 suffering the interference from the controllable device is reduced.
  • Fig. 6 is a flow chart showing another method for controlling interference from a controllable device, according to the embodiment shown in Fig. 4 .
  • the method for controlling interference from the controllable device may further include the following step.
  • Step 203 whether there is a controllable device that is using a resource corresponding to the target RB is detected.
  • the base station after determining that the target notification message is received, may first detect whether there is a controllable device that is served by it and is using the resource of the target RB indicated by the target notification message.
  • the base station may execute Step 202 to reduce the interference from the controllable device over the target RB according to the target notification message. If there is no controllable device that is served by it and is using the resource of the target RB indicated by the target notification message, the target notification message is directly ignored.
  • the base station for providing the service for the controllable device after determining that the target notification message is received, may first detect whether there is a controllable device that is using the resource corresponding to the target RB and, if there is a controllable device that is using the resource corresponding to the target RB, may reduce the interference from the controllable device over the target RB to ensure that the interference from the controllable device over the base station of the cellular network may be reduced.
  • Fig. 7 is a flow chart showing another method for controlling interference from a controllable device, according to the embodiment shown in Fig. 1 .
  • the method includes the following steps.
  • a base station 300 analyzes all presently received interference signals and, if all the presently received interference signals include a target interference signal, determines that the base station is suffering interference from a controllable device.
  • the base station 300 detects signal-to-noise ratios corresponding to all RBs for data transmission and selects at least one RB according to a sequence from high to low signal-to-noise ratios as a target RB suffering the interference from the controllable device.
  • Step 303 the base station 300 generates a target notification message, the target notification message containing an interference indication identifier and RB information of the target RB and the interference indication identifier being configured to indicate that the interference is from the controllable device.
  • Step 304 the base station 300 transmits the target notification message to a base station 200, base station 400 and the like nearby through interfaces between the base stations.
  • Step 305 the base station 200 and the base station 400 detect whether there is a controllable device that is using a resource corresponding to the target RB or not.
  • Step 306 the base station 200 determines that there is a controllable device that is using the resource corresponding to the target RB, and the base station 200 reduces the interference from the controllable device over the target RB according to the target notification message.
  • the base station 400 determines that there is no controllable device that is using the resource corresponding to the target RB, and the base station 400 ignores the target notification message.
  • the base station 300 suffering the interference from the controllable device transmits the target notification message to the base station 200 and the base station 400 through the interfaces between the base stations.
  • the base station 200 determines that there is a controllable device that is using the resource corresponding to the target RB, and then the base station may reduce the interference from the controllable device over the target RB according to the target notification message.
  • the base station 400 determines that there is no controllable device that is using the resource corresponding to the target RB, and the base station 400 does not execute any processing. Through such a process, interference from a controllable device over a base station of a cellular network may be reduced.
  • the base station 300 may transmit the target notification message to a core network through an interface between the base station and the core network, and then the core network forwards it to the base station 200 and the base station 400.
  • the interference from the controllable device over the base station of the cellular network may also be reduced finally.
  • the present disclosure also provides embodiments of an apparatus for application function realization and a corresponding terminal.
  • Fig. 8 is a block diagram of an apparatus for controlling interference from a controllable device, according to an exemplary embodiment.
  • the apparatus is applied to a base station suffering interference from a controllable device.
  • the apparatus includes:
  • Fig. 9 is a block diagram of another apparatus for controlling interference from a controllable device based on the embodiment shown in Fig. 8 .
  • the first determination module 410 includes:
  • Fig. 10 is a block diagram of another apparatus for controlling interference from a controllable device based on the embodiment shown in Fig. 8 .
  • the transmission module 430 includes: a first transmission submodule 431, configured to transmit the target notification message to the target base station through an interface between the base stations.
  • Fig. 11 is a block diagram of another apparatus for controlling interference from a controllable device based on the embodiment shown in Fig. 8 .
  • the transmission module 430 includes: a second transmission submodule 432, configured to transmit the target notification message to a core network for the core network to forward the target notification message to the target base station.
  • Fig. 12 is a block diagram of an apparatus for controlling interference from a controllable device, according to an exemplary embodiment.
  • the apparatus is applied to a base station for providing service for a controllable device.
  • the apparatus includes:
  • Fig. 13 is a block diagram of another apparatus for controlling interference from a controllable device based on the embodiment shown in Fig. 12 .
  • the second determination module 510 includes any one of the following submodules:
  • Fig. 14 is a block diagram of another apparatus for controlling interference from a controllable device based on the embodiment shown in Fig. 12 .
  • the apparatus further includes:
  • Fig. 15 is a block diagram of another apparatus for controlling interference from a controllable device based on the embodiment shown in Fig. 14 .
  • the execution module 520 includes any one of the following submodules:
  • the apparatus embodiments substantially correspond to the method embodiments, and thus related parts refer to part of descriptions of the method embodiments.
  • the apparatus embodiments described above are only schematic, units described as separate parts therein may or may not be physically separated, and parts displayed as units may or may not be physical units, and namely may be located in the same place or may also be distributed to multiple network units. Part or all of the modules therein may be selected according to a practical requirement to achieve the purpose of the solutions of the present disclosure. Those of ordinary skill in the art may understand and implement without creative work.
  • the present disclosure also provides a computer-readable storage medium, which stores a computer program, the computer program being configured to execute the method, applied to a base station suffering interference from a controllable device, for controlling the interference from the controllable device.
  • the present disclosure also provides a computer-readable storage medium, which stores a computer program, the computer program being configured to execute the method, applied to a base station for providing service for a controllable device, for controlling the interference from the controllable device.
  • the present disclosure also provides an apparatus for controlling interference from a controllable device, which is applied to a base station suffering the interference from the controllable device and includes:
  • Fig. 16 is a structure diagram of an apparatus 1600 for controlling interference from a controllable device, according to an exemplary embodiment.
  • the apparatus 1600 may be provided as a base station.
  • the apparatus 1600 includes a processing component 1622, a wireless transmitting/receiving component 1624, an antenna component 1626 and a wireless interface-specific signal processing part, and the processing component 1622 may further include one or more processors.
  • One processor in the processing component 1622 may be configured to:
  • the present disclosure also provides an apparatus for controlling interference from a controllable device, which is applied to a base station for providing service for the controllable device and includes:
  • Fig. 17 is a structure diagram of an apparatus 1700 for controlling interference from a controllable device, according to an exemplary embodiment.
  • the apparatus 1700 may be provided as a base station.
  • the apparatus 1700 includes a processing component 1722, a wireless transmitting/receiving component 1724, an antenna component 1726 and a wireless interface-specific signal processing part, and the processing component 1722 may further include one or more processors.
  • One processor in the processing component 1722 may be configured to:

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  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (4)

  1. Procédé de contrôle d'interférence d'un dispositif contrôlable, le procédé est appliqué à une station de base subissant l'interférence du dispositif contrôlable et comprend :
    une détermination (101), à partir de tous les Blocs de Ressource (RBs) pour une transmission de données, d'un Bloc de Ressource cible (RB) subissant l'interférence du dispositif contrôlable ;
    une génération (102) d'un message de notification cible, le message de notification cible contenant un identifiant d'indication d'interférence et des informations RB du RB cible, et l'identifiant d'indication d'interférence étant configuré pour indiquer que l'interférence provient du dispositif contrôlable ; et
    une transmission (103) du message de notification cible à une station de base cible pour réduire l'interférence du dispositif contrôlable sur le RB cible selon le message de notification cible, la station de base cible étant une station de base de fourniture de service pour le dispositif contrôlable,
    caractérisé en ce que,
    l'étape de détermination, à partir de tous les RBs pour une transmission de données, du RB cible subissant l'interférence du dispositif contrôlable comprend :
    une analyse (101-1) de tous les signaux d'interférence actuellement reçus, et si chacun de tous les signaux d'interférence actuellement reçus comprend un signal d'interférence cible, une détermination que la station de base subit l'interférence du dispositif contrôlable, le signal d'interférence cible étant un signal d'interférence généré par l'interférence du dispositif contrôlable ; et
    après (101-2) qu'il est déterminé que la station de base subit l'interférence du dispositif contrôlable, une détection de rapports signal sur bruit correspondant à tous les RBs pour une transmission de données, et une sélection d'au moins un RB selon une séquence allant de rapports signal sur bruit élevés à faibles en tant que le RB cible subissant l'interférence du dispositif contrôlable.
  2. Procédé selon la revendication 1, dans lequel l'étape de transmission du message de notification cible à la station de base cible comprend :
    une transmission du message de notification cible à la station de base cible à travers une interface entre des stations de base ; ou
    une transmission du message de notification cible à un réseau dorsal pour transmettre le message de notification cible à la station de base cible.
  3. Appareil de contrôle d'interférence d'un dispositif contrôlable, l'appareil est appliqué à une station de base subissant l'interférence du dispositif contrôlable et comprend :
    un premier module de détermination (410), configuré pour déterminer, à partir de tous les Blocs de Ressource (RBs) pour une transmission de données, un Bloc de Ressource cible (RB) subissant l'interférence du dispositif contrôlable ;
    un module de génération de messages (420), configuré pour générer un message de notification cible, le message de notification cible contenant un identifiant d'indication d'interférence et des informations RB du RB cible et l'identifiant d'indication d'interférence étant configuré pour indiquer que l'interférence provient du dispositif contrôlable ; et
    un module de transmission (430), configuré pour transmettre le message de notification cible à une station de base cible pour réduire l'interférence du dispositif contrôlable sur le RB cible selon le message de notification cible, la station de base cible étant une station de base de fourniture de service pour le dispositif contrôlable,
    caractérisé en ce que, l'appareil comprend en outre :
    un premier sous-module de détermination (411), configuré pour analyser tous les signaux d'interférence actuellement reçus et, si chacun de tous les signaux d'interférence actuellement reçus comprend un signal d'interférence cible, pour déterminer que la station de base subit l'interférence du dispositif contrôlable, le signal d'interférence cible étant un signal d'interférence généré par l'interférence du dispositif contrôlable ; et
    un second sous-module de détermination (412), configuré pour détecter des rapports signal sur bruit correspondant à tous les RBs pour une transmission de données et pour sélectionner au moins un RB selon une séquence allant de rapports signal sur bruit élevés à faibles en tant que le RB cible subissant l'interférence du dispositif contrôlable.
  4. Appareil selon la revendication 3, dans lequel le module de transmission (430) comprend :
    un premier sous-module de transmission (431), configuré pour transmettre le message de notification cible à la station de base cible à travers une interface entre des stations de base ; ou
    un second sous-module de transmission (432), configuré pour transmettre le message de notification cible à un réseau dorsal pour transmettre le message de notification cible à la station de base cible.
EP17919359.4A 2017-07-24 2017-07-24 Procédé et appareil permettant de contrôler l'interférence produite par un dispositif utilisable Active EP3589056B1 (fr)

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CN109565845A (zh) 2019-04-02
US11528712B2 (en) 2022-12-13
EP3589056A4 (fr) 2020-04-01
ES2926154T3 (es) 2022-10-24
WO2019018985A1 (fr) 2019-01-31
CN109565845B (zh) 2023-05-23
US20210127390A1 (en) 2021-04-29

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